1 Pc. Techniks
Brand New 20mm x 180mm ER20 Straight Shank Collet Chuck Extension w/Mini Nut for CNC Routers/Mills/Lathes
Features- Work with any tool holder
- Precision ground pocket
- Includes ER mini nut
ER Collet Chuck Extensions
| Part# | Description | C | L | l1 | l2 | D | Set Screw | Wrench |
|---|
| 04881 | 20mm x ER20, - 180mm | 20mm | 220mm | 180mm | 40mm | 28mm | 16083 | 04623 |
 | For applications where the extension is rotating, extension length should not exceed a 4:1 ratio Example: 1/2" shank should not extend more than 2" in front of the holder. |
Other Available ER 8, 11, 16, 20, 25 Straight Shank Extensions
